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Finding the Fourth Proportional to 265,838.04, 398,428.74 and 228,133.08

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Solution

The fourth proportional to 265,838.04, 398,428.74 and 228,133.08 is: 341,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,838.04 : 398,428.74 = 228,133.08 : x
  2. Step 2: Convert to fraction form
    265,838.04/398,428.74 = 228,133.08/x
  3. Step 3: Cross multiply
    265,838.04x = 398,428.74 × 228,133.08
  4. Step 4: Simplify right side
    265,838.04x = 90,894,775,616.72
  5. Step 5: Solve for x
    x = 90,894,775,616.72/265,838.04
  6. Step 6: Final answer
    x = 341,917.87

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